Samsung HL61A750A1FXZA Getting Started Manual page 55

Settin the Slee Timer
The sleep timer automatically shuts off the TV after a preset time (30, 60, 90,
120, 150 and 180 minutes).
1 Press the MENU button to display the menu,
Press the A or _' button to select Setup, then press the ENTER button.
Press the A or _' button to setect Time, then press the ENTER button.
2 Press the A or _' button to select Sleep Timer, then press the ENTER button.
Press the & or T button to select the minute, then press the ENTER button.
To cancel the set sleep timer:
Press the A or _' button to setect Off, then press the ENTER button.
Press the EXIT button to exit.
Easy Setting
1 Press the TOOLS button on the remote control.
2 Press the A or T button to setect Sleep Timer, then press the ENTER button.
3 Press the _ or _ button to setect the minute, then press the ENTER button.
4 Press the EXIT or TOOLS button to exit.